1218996688

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:549

約数の個数: 160

約数和(自身を含む): 3074803200

約数和(自身を除く): 1855806512

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 89, 91, 92, 104, 112, 161, 178, 182, 184, 208, 299, 322, 356, 364, 368, 409, 598, 623, 644, 712, 728, 818, 1157, 1196, 1246, 1288, 1424, 1456, 1636, 2047, 2093, 2314, 2392, 2492, 2576, 2863, 3272, 4094, 4186, 4628, 4784, 4984, 5317, 5726, 6544, 8099, 8188, 8372, 9256, 9407, 9968, 10634, 11452, 14329, 16198, 16376, 16744, 18512, 18814, 21268, 22904, 26611, 28658, 32396, 32752, 33488, 36401, 37219, 37628, 42536, 45808, 53222, 57316, 64792, 65849, 72802, 74438, 75256, 85072, 106444, 114632, 122291, 129584, 131698, 145604, 148876, 150512, 186277, 212888, 229264, 244582, 254807, 263396, 291208, 297752, 372554, 425776, 473213, 489164, 509614, 526792, 582416, 595504, 745108, 837223, 856037, 946426, 978328, 1019228, 1053584, 1490216, 1674446, 1712074, 1892852, 1956656, 2038456, 2980432, 3312491, 3348892, 3424148, 3785704, 4076912, 5860561, 6624982, 6697784, 6848296, 7571408, 10883899, 11721122, 13249964, 13395568, 13696592, 21767798, 23442244, 26499928, 43535596, 46884488, 52999856, 76187293, 87071192, 93768976, 152374586, 174142384, 304749172, 609498344, 1218996688]

約数ペア:

[(1, 1218996688), (2, 609498344), (4, 304749172), (7, 174142384), (8, 152374586), (13, 93768976), (14, 87071192), (16, 76187293), (23, 52999856), (26, 46884488), (28, 43535596), (46, 26499928), (52, 23442244), (56, 21767798), (89, 13696592), (91, 13395568), (92, 13249964), (104, 11721122), (112, 10883899), (161, 7571408), (178, 6848296), (182, 6697784), (184, 6624982), (208, 5860561), (299, 4076912), (322, 3785704), (356, 3424148), (364, 3348892), (368, 3312491), (409, 2980432), (598, 2038456), (623, 1956656), (644, 1892852), (712, 1712074), (728, 1674446), (818, 1490216), (1157, 1053584), (1196, 1019228), (1246, 978328), (1288, 946426), (1424, 856037), (1456, 837223), (1636, 745108), (2047, 595504), (2093, 582416), (2314, 526792), (2392, 509614), (2492, 489164), (2576, 473213), (2863, 425776), (3272, 372554), (4094, 297752), (4186, 291208), (4628, 263396), (4784, 254807), (4984, 244582), (5317, 229264), (5726, 212888), (6544, 186277), (8099, 150512), (8188, 148876), (8372, 145604), (9256, 131698), (9407, 129584), (9968, 122291), (10634, 114632), (11452, 106444), (14329, 85072), (16198, 75256), (16376, 74438), (16744, 72802), (18512, 65849), (18814, 64792), (21268, 57316), (22904, 53222), (26611, 45808), (28658, 42536), (32396, 37628), (32752, 37219), (33488, 36401)]